New leadership brings new mood to embattled city

Since the weekend shooting of Michael Brown, nightfall in Ferguson has meant violence and chaos. Thursday, a different scene began to play out after leaders from Gov. Jay Nixon on down promised change.

ELI ROSENBERG . WHAT IS -- IT'S ALMOST FESTIVE HERE. I WANT YOU TO LOOK AT THIS CROWD AND JUST LISTEN FOR A SECOND TO THIS. IT IS SO MUCH LARGER THAN IN DAYS PASSED BUT YOU CONTINUE SEE THOSE TROUBLING ARMED OFFICERS ALSO GONE, ALL THE TENSION WE FELT STANDING HERE THE PAST FEW NIGHTS IS WASHED AWAY AT LEAST FOR NOW. AMONG THE HUNDREDS OF PROTESTERS, WE FOUND HIM. EVERYBODY OUT HERE IS FIGHTING FOR WHAT THEY BELIEVE IN. JORDAN PUCKETT, A LOCAL FOURTH GRADER JOINED BY HIS GRANDMOTHER. I AM UPSET, BUT I'M NOT GOING TO GO AND THROW FIREWORKS. I'M NOT GOING TO DO NONE OF THAT. BUT I AM GOING TO FIGHT FOR WHAT I BELIEVE IN. YOU CAN STAY OUT HERE ALL NIGHT. THE ONLY THING THAT I ASK IS THAT WE PULL BACK A LITTLE BIT. IN FERGUSON TONIGHT, A SHIFTING IN TACTICS. GONE ARE THE HEAVILY ARMED SQUAD MEMBERS, REPLACED BY THESE OFFICERS AND LED BY THIS STATE TROOPER CAPTAIN RON JOHNSON. I'M NOT GOING TO ASK ANYBODY TO DO SOMETHING THAT I WON'T DO. JOHNSON LEADING THE CHARGE AND THE PARADE, A PARADE WITH A PURPOSE. YOU CAN LOSE TRUST REALLY EASY. EASY TO LOSE. IT'S HARD TO GAIN. WE LOST IT. SO I KNOW THERE'S WORK AHEAD. BACK OUTSIDE QUICK TRIP, PUCKETT HAS THIS TO SAY. I CAN'T DO NOTHING ABOUT IT, SO I JUST HAVE TO WAIT AND SEE HOPEFULLY THERE WILL BE SOME HEALING TONIGHT AND HOPEFULLY THEY'LL GO HOME AND SAY, YOU KNOW WHAT, THIS IS GOING TO BE ALL RIGHT. IT'S STARTED TO FEEL MORE LIKE A PARTY. YOU DON'T SEE THE EDGE THAT CAME WITH THE HEAVILY ARMED OFFICERS THE PAST COUPLE OF DAYS. THAT'S REALLY THE STORY, HOW MUCH HAS REALLY CHANGED WITHIN THE LAST 24 HOURS, BUT WITH ALL